combustion retardant的用法和樣例：
例句
- Zinc borate is the most commonly used flame retardant for plastics, rubber and other synthetic materials.
硼酸鋅是塑料，橡膠及其它合成材料的優良阻燃劑。 - Flame retardancy of a high polymerization degree PVC, plasticizer and flame retardant elastomer is studied.
研究了高聚合度聚氯乙烯樹脂與增塑劑及阻燃劑共混彈性體材料的阻燃性能。
